730555406513 has 4 divisors (see below), whose sum is σ = 730565743908. Its totient is φ = 730545069120.

The previous prime is 730555406453. The next prime is 730555406519. The reversal of 730555406513 is 315604555037.

730555406513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 315604555037 = 73 ⋅4323350069.

It can be written as a sum of positive squares in 2 ways, for example, as 211257898384 + 519297508129 = 459628^2 + 720623^2 .

It is a cyclic number.

It is not a de Polignac number, because 730555406513 - 2¹⁸ = 730555144369 is a prime.

It is a super-2 number, since 2×730555406513² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (730555406519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5061956 + ... + 5204277.

It is an arithmetic number, because the mean of its divisors is an integer number (182641435977).

Almost surely, 2^730555406513 is an apocalyptic number.

It is an amenable number.

730555406513 is a deficient number, since it is larger than the sum of its proper divisors (10337395).

730555406513 is a wasteful number, since it uses less digits than its factorization.

730555406513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10337394.

The product of its (nonzero) digits is 945000, while the sum is 44.

The spelling of 730555406513 in words is "seven hundred thirty billion, five hundred fifty-five million, four hundred six thousand, five hundred thirteen".